#91E55B#91E55B

#91E55B is a very light, vivid yellow-green. Relative luminance 0.628; OKLCH L 84.0% C 0.191 H 135.1°. Best body text is #000000 at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#91E55B
RGB	rgb(145, 229, 91)
HSL	hsl(97, 73%, 63%)
HSV	hsv(97, 60%, 90%)
CMYK	cmyk(36.7%, 0%, 60.3%, 10.2%)
CIE-LAB	lab(83.34, -48.63, 57.92)
CIE-LCH	lch(83.34, 75.63, 130.02°)
OKLab	oklab(83.99% -0.135 0.1348)
OKLCH	oklch(83.99% 0.191 135.1)
XYZ	xyz(41.5838, 62.8118, 19.8283)
Luminance	0.6281 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91E55B #AF5BE5

analogous

#D6E55B #91E55B #5BE56A

triadic

#91E55B #5B91E5 #E55B91

tetradic

#91E55B #5BD6E5 #AF5BE5 #E56A5B

square

#91E55B #5BD6E5 #AF5BE5 #E56A5B

split-complementary

#91E55B #6A5BE5 #E55BD6

monochromatic

#53AB1B #6EDD26 #91E55B #B4ED90 #D8F6C5

Accessibility & contrast

On white

1.55

#91E55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.56

#91E55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91E55B

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91E55B	#FFFFFF	#000000	##000000
##91E55B	1.00	1.55	13.56	13.56
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.56	21.00	1.00	1.00
##000000	13.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD44B

Deuteranopia (green-blind)

#E1CD66

Tritanopia (blue-blind)

#8FDDC8

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #91e55b;
/* rgb */ color: rgb(145, 229, 91);
/* oklch */ color: oklch(84.0% 0.191 135.1);

Tailwind

colors: {
  custom: {
    50: '#b6ee8e',
    500: '#91e55b',
    950: '#000000',
  },
}

SCSS

$custom: #91e55b;
$custom-light: #b6ee8e;
$custom-dark: #000000;

JSON

{
  "hex": "#91e55b",
  "rgb": {
    "r": 145,
    "g": 229,
    "b": 91
  },
  "hsl": {
    "h": 96.522,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.83993,
    "c": 0.19075,
    "h": 135.1
  },
  "luminance": 0.62814
}

Semantic roles & 50–950 ramp

primary

#91E55B

secondary

#7F38AC

accent

#11D588

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#12160D

muted

#82857F

Preview Lab

Preview with #91E55B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →